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OOPS - - section 7.1.5 appears to answer the question unambiguously
-- my bad -- sorry for the waste of bandwidth
Thank You !!!
-----------------------------------------------------------------
Jim Hatfield
Seagate Technology LLC
e-mail: [EMAIL PROTECTED]
s-mail: 389 Disc Drive; Longmont, CO 80503 USA
voice: 720-684-2120
fax....: 720-684-2711
==========================================
James.C.Hatfield@
seagate.com
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Subject
RE: [t13] ata8-acs: Word orderining
12/01/2005 04:39 within a multi-word field
PM
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Yes - - - but what about the HOST-side ?
If the host creates a data structure for (say) the LBA field,
what ordering of words should be in the data structure (notice I didn't say
host memory) ?
How should the host load the bits and bytes ?
Thank You !!!
-----------------------------------------------------------------
Jim Hatfield
Seagate Technology LLC
e-mail: [EMAIL PROTECTED]
s-mail: 389 Disc Drive; Longmont, CO 80503 USA
voice: 720-684-2120
fax....: 720-684-2711
==========================================
"Curtis Stevens"
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Available RE: [t13] ata8-acs: Word orderining
within a multi-word field
12/01/2005 04:27
PM
This message is from the T13 list server.
Jim
The transport docs are supposed to show the mapping of data
words to
registers, FIS fields, or whatever.
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Curtis E. Stevens
20511 Lake Forest Drive #C-214D
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Phone: 949-672-7933
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Bozone (n.): The substance surrounding stupid people that stops bright
ideas
from penetrating. The bozone layer, unfortunately, shows little sign of
breaking down in the near future.
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
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Sent: Thursday, December 01, 2005 3:19 PM
To: [email protected]
Subject: [t13] ata8-acs: Word orderining within a multi-word field
This message is from the T13 list server.
A question has come up that needs to be ironed out at the dec. meeting.
For a multi-word command field (e.g. LBA): words 2-4
a) what is the order of the words within the field
b) how are the individual words mapped to the bits ?
answer 1:
word 02 word 03 word 04
+----------------+------------------+---------------+
| | |
|
| | |
|
+----------------+------------------+---------------+
15 0 23 16 47 24
answer 2:
word 02 word 03 word 04
+----------------+------------------+---------------+
| | |
|
| | |
|
+----------------+------------------+---------------+
47 24 23 16 15 0
answer 3:
word 04 word 03 word 02
+----------------+------------------+---------------+
| | |
|
| | |
|
+----------------+------------------+---------------+
47 24 23 16 15 0
or any number of other variations.....
Any suggestions or preferences ?
Thank You !!!
-----------------------------------------------------------------
Jim Hatfield
Seagate Technology LLC
e-mail: [EMAIL PROTECTED]
s-mail: 389 Disc Drive; Longmont, CO 80503 USA
voice: 720-684-2120
fax....: 720-684-2711
==========================================
